Pair of Photogates with Brackets, Each

Details

This four-digit timer is designed for use with air tracks, free-fall apparatuses, and other equipment. Microprocessor-controlled, it offers eight programmed functions: recording counts, interruption timing, time between interruptions, period of oscillation, acceleration, acceleration due to gravity, velocity in collisions, and time scale output. The timer comes with two photogates and includes an activity guide.